BUG: parse path without modifying query

rasterio/_path.py

@@ -64,7 +64,7 @@ class _ParsedPath(_Path):
     @classmethod
     def from_uri(cls, uri):
         parts = urlparse(uri)
-        path = parts.path
+        path = pathlib.Path(parts.path).as_posix() if parts.path else parts.path
         scheme = parts.scheme or None
 
         if parts.query:
@@ -76,7 +76,7 @@ def from_uri(cls, uri):
         parts = path.split('!')
         path = parts.pop() if parts else None
         archive = parts.pop() if parts else None
-        return _ParsedPath(pathlib.Path(path).as_posix(), archive, scheme)
+        return _ParsedPath(path, archive, scheme)
 
     @property
     def name(self):

tests/test_path.py

@@ -99,6 +99,14 @@ def test_parse_gdal():
     assert _parse_path('GDAL:filepath:varname').path == 'GDAL:filepath:varname'
 
 
+def test_parse_http_password():
+    """Make sure password unmodified GH2602"""
+    parsed = _parse_path('https://foo.tif?bar=a//b')
+    assert parsed.path == 'foo.tif?bar=a//b'
+    assert parsed.archive is None
+    assert parsed.scheme == 'https'
+
+
 @pytest.mark.skipif(sys.platform == 'win32', reason="Checking behavior on posix, not win32")
 def test_parse_windows_path(monkeypatch):
     """Return Windows paths unparsed"""